diff --git a/Makefile b/Makefile index 6ac3335f65af..751cfd786c8c 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 18 -SUBLEVEL = 8 +SUBLEVEL = 9 EXTRAVERSION = NAME = Superb Owl

diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index d83758acd1c7..44a37a2b6a1c 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -86,7 +86,7 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name #endif /* PPC64_ELF_ABI_v1 */ #endif /* CONFIG_FTRACE_SYSCALLS */

-#ifdef CONFIG_PPC64 +#if defined(CONFIG_PPC64) && defined(CONFIG_FUNCTION_TRACER) #include <asm/paca.h>

static inline void this_cpu_disable_ftrace(void) @@ -110,11 +110,13 @@ static inline u8 this_cpu_get_ftrace_enabled(void) return get_paca()->ftrace_enabled; }

+void ftrace_free_init_tramp(void); #else /* CONFIG_PPC64 */ static inline void this_cpu_disable_ftrace(void) { } static inline void this_cpu_enable_ftrace(void) { } static inline void this_cpu_set_ftrace_enabled(u8 ftrace_enabled) { } static inline u8 this_cpu_get_ftrace_enabled(void) { return 1; } +static inline void ftrace_free_init_tramp(void) { } #endif /* CONFIG_PPC64 */ #endif /* !__ASSEMBLY__ */

diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c index 4ee04aacf9f1..a778f2ae1f3f 100644 --- a/arch/powerpc/kernel/trace/ftrace.c +++ b/arch/powerpc/kernel/trace/ftrace.c @@ -306,9 +306,7 @@ static int setup_mcount_compiler_tramp(unsigned long tramp)

/* Is this a known long jump tramp? */ for (i = 0; i < NUM_FTRACE_TRAMPS; i++) - if (!ftrace_tramps[i]) - break; - else if (ftrace_tramps[i] == tramp) + if (ftrace_tramps[i] == tramp) return 0;

/* Is this a known plt tramp? */ @@ -863,6 +861,17 @@ void arch_ftrace_update_code(int command)

extern unsigned int ftrace_tramp_text[], ftrace_tramp_init[];

+void ftrace_free_init_tramp(void) +{ + int i; + + for (i = 0; i < NUM_FTRACE_TRAMPS && ftrace_tramps[i]; i++) + if (ftrace_tramps[i] == (unsigned long)ftrace_tramp_init) { + ftrace_tramps[i] = 0; + return; + } +} + int __init ftrace_dyn_arch_init(void) { int i; diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 4d221d033804..149635e5c165 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -22,6 +22,7 @@ #include <asm/kasan.h> #include <asm/svm.h> #include <asm/mmzone.h> +#include <asm/ftrace.h>

#include <mm/mmu_decl.h>

@@ -312,6 +313,7 @@ void free_initmem(void) ppc_md.progress = ppc_printk_progress; mark_initmem_nx(); free_initmem_default(POISON_FREE_INITMEM); + ftrace_free_init_tramp(); }

/* diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 1589ae7d5abb..8182ff2d12fe 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -80,7 +80,7 @@ config IXP4XX_TIMER bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST depends on HAS_IOMEM select CLKSRC_MMIO - select TIMER_OF if OF + select TIMER_OF help Enables support for the Intel XScale IXP4xx SoC timer.

diff --git a/drivers/clocksource/timer-ixp4xx.c b/drivers/clocksource/timer-ixp4xx.c index cbb184953510..720ed70a2964 100644 --- a/drivers/clocksource/timer-ixp4xx.c +++ b/drivers/clocksource/timer-ixp4xx.c @@ -19,8 +19,6 @@ #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/platform_device.h> -/* Goes away with OF conversion */ -#include <linux/platform_data/timer-ixp4xx.h>

/* * Constants to make it easy to access Timer Control/Status registers @@ -263,28 +261,6 @@ static struct platform_driver ixp4xx_timer_driver = { }; builtin_platform_driver(ixp4xx_timer_driver);

-/** - * ixp4xx_timer_setup() - Timer setup function to be called from boardfiles - * @timerbase: physical base of timer block - * @timer_irq: Linux IRQ number for the timer - * @timer_freq: Fixed frequency of the timer - */ -void __init ixp4xx_timer_setup(resource_size_t timerbase, - int timer_irq, - unsigned int timer_freq) -{ - void __iomem *base; - - base = ioremap(timerbase, 0x100); - if (!base) { - pr_crit("IXP4xx: can't remap timer\n"); - return; - } - ixp4xx_timer_register(base, timer_irq, timer_freq); -} -EXPORT_SYMBOL_GPL(ixp4xx_timer_setup); - -#ifdef CONFIG_OF static __init int ixp4xx_of_timer_init(struct device_node *np) { void __iomem *base; @@ -315,4 +291,3 @@ static __init int ixp4xx_of_timer_init(struct device_node *np) return ret; } TIMER_OF_DECLARE(ixp4xx, "intel,ixp4xx-timer", ixp4xx_of_timer_init); -#endif diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 2362bb8ef6d1..e136d6edc1ed 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -2017,6 +2017,7 @@ int bch_btree_check(struct cache_set *c) if (c->root->level == 0) return 0;

+ memset(&check_state, 0, sizeof(struct btree_check_state)); check_state.c = c; check_state.total_threads = bch_btree_chkthread_nr(); check_state.key_idx = 0; diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index 75b71199800d..d138a2d73240 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -950,6 +950,7 @@ void bch_sectors_dirty_init(struct bcache_device *d) return; }

+ memset(&state, 0, sizeof(struct bch_dirty_init_state)); state.c = c; state.d = d; state.total_threads = bch_btre_dirty_init_thread_nr(); diff --git a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c index 60ae8bfc5f69..1749d26f4bef 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_devlink.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_devlink.c @@ -43,9 +43,7 @@ static bool check_image_valid(struct hinic_devlink_priv *priv, const u8 *buf,

for (i = 0; i < fw_image->fw_info.fw_section_cnt; i++) { len += fw_image->fw_section_info[i].fw_section_len; - memcpy(&host_image->image_section_info[i], - &fw_image->fw_section_info[i], - sizeof(struct fw_section_info_st)); + host_image->image_section_info[i] = fw_image->fw_section_info[i]; }

if (len != fw_image->fw_len || diff --git a/fs/io_uring.c b/fs/io_uring.c index e4186635aaa8..7c190e885340 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3187,6 +3187,21 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe) int ret;

kiocb->ki_pos = READ_ONCE(sqe->off); + /* used for fixed read/write too - just read unconditionally */ + req->buf_index = READ_ONCE(sqe->buf_index); + req->imu = NULL; + + if (req->opcode == IORING_OP_READ_FIXED || + req->opcode == IORING_OP_WRITE_FIXED) { + struct io_ring_ctx *ctx = req->ctx; + u16 index; + + if (unlikely(req->buf_index >= ctx->nr_user_bufs)) + return -EFAULT; + index = array_index_nospec(req->buf_index, ctx->nr_user_bufs); + req->imu = ctx->user_bufs[index]; + io_req_set_rsrc_node(req, ctx, 0); + }

ioprio = READ_ONCE(sqe->ioprio); if (ioprio) { @@ -3199,11 +3214,9 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe) kiocb->ki_ioprio = get_current_ioprio(); }

- req->imu = NULL; req->rw.addr = READ_ONCE(sqe->addr); req->rw.len = READ_ONCE(sqe->len); req->rw.flags = READ_ONCE(sqe->rw_flags); - req->buf_index = READ_ONCE(sqe->buf_index); return 0; }

@@ -3335,20 +3348,9 @@ static int __io_import_fixed(struct io_kiocb *req, int rw, struct iov_iter *iter static int io_import_fixed(struct io_kiocb *req, int rw, struct iov_iter *iter, unsigned int issue_flags) { - struct io_mapped_ubuf *imu = req->imu; - u16 index, buf_index = req->buf_index; - - if (likely(!imu)) { - struct io_ring_ctx *ctx = req->ctx; - - if (unlikely(buf_index >= ctx->nr_user_bufs)) - return -EFAULT; - io_req_set_rsrc_node(req, ctx, issue_flags); - index = array_index_nospec(buf_index, ctx->nr_user_bufs); - imu = READ_ONCE(ctx->user_bufs[index]); - req->imu = imu; - } - return __io_import_fixed(req, rw, iter, imu); + if (WARN_ON_ONCE(!req->imu)) + return -EFAULT; + return __io_import_fixed(req, rw, iter, req->imu); }

static void io_ring_submit_unlock(struct io_ring_ctx *ctx, bool needs_lock) diff --git a/include/linux/platform_data/timer-ixp4xx.h b/include/linux/platform_data/timer-ixp4xx.h deleted file mode 100644 index ee92ae7edaed..000000000000 --- a/include/linux/platform_data/timer-ixp4xx.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __TIMER_IXP4XX_H -#define __TIMER_IXP4XX_H - -#include <linux/ioport.h> - -void __init ixp4xx_timer_setup(resource_size_t timerbase, - int timer_irq, - unsigned int timer_freq); - -#endif diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index d257721c68b8..cd296da509c9 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -526,7 +526,6 @@ void __init tick_nohz_full_setup(cpumask_var_t cpumask) cpumask_copy(tick_nohz_full_mask, cpumask); tick_nohz_full_running = true; } -EXPORT_SYMBOL_GPL(tick_nohz_full_setup);

static int tick_nohz_cpu_down(unsigned int cpu) {